. >> families who have unspeakable agree to summon the courage to petition their elected leaders. not just to honor the memory of their children but to protect the lives of all of our children. 90 percent of democrats in the senate voted for the idea. it is not going to happen. >> congresswoman gabrielle gifford was seriously injured by gun violence was by the president cited quotas being. the measure did not pass. she accused the opposing senators of cowardice. the final vote tally 54 to 46. the probe was part of a compromise struck by democratic and republican senator. the filibuster requires 60 votes. the bill backed by president obama called face fierce opposition from the national rifle association. a ban on assault weapons also failed along with a bid to block the sale of high capacity ammunition clips. >> new details on the ricin letter sent to president obama. as an official says the lab tests confirmed the letter's into mississippi senator roger wicker did contain the deadly substance rycin . and that more tests are expected. meantime, an arrest is made in the case. feder